The world's strongest (and kindest) bear has to save his kidnapped grandmother when the town's former thieves band together to steal everything they can, led by the dastardly fox Reinard.
Sweden's most popular comic book character - the bear Bamse - will now get his first own feature film. In "Bamse and the city of thieves" the strongest bear in the world and his two friends Little Hopp and Shellman show that the best weapon against evil is -friendship (and a few drops of Grandma's Thunder Honey of course).—Tre vänner produktion AB